The tallest and shortest dogs in the world have met. Reginald (Reggie) a Great Dane from Idaho and Pearl a chihuahua from Florida, had a paw-some time together. At 3.59 in (9.14 cm), four-year-old ...

Now that this trio of gentle giants has passed, a 7-year-old Idaho Great Dane named Reggie is now the world's tallest living dog, measuring 39 inches tall at his withers. His parents describe him ...

Zeus was named in the Guinness World Records 2013 edition as being the world’s tallest dog. Doorlag’s wife, Denise, said she loved the reaction she got when they took Zeus outside.

A playdate between the world’s tallest and smallest living dogs went the way of most dog park encounters despite the 3-foot (0.91-meter) height difference — lots of tail wagging, sniffing and ...

There’s so much variation between dogs that it can sometimes be hard to believe that some breeds – particularly the smallest and largest dog breeds – are part of the same species.

An enormous dog in Sparks, Nevada named "Rocko" may be the world's tallest living dog. The family is now trying to get him into the Guinness Book of World Records. He loves to play tug-of-war.

BEDFORD, Texas (KABC) -- Saddle up! Guinness World Records has crowned the "world's tallest living dog." Zeus, an American Great Dane from Bedford, Texas stands 3 feet 5 inches tall at 2-years-old.

An enormous dog in Sparks, Nevada named "Rocko" may be the world's tallest living dog. The family is now trying to get him into the Guinness Book of World Records. He loves to play tug-of-war.

A playdate between the world's tallest and smallest living dogs went the way of most dog park encounters despite the 3-foot height difference — lots of wagging, sniffing and scampering.